Billy Penn
Billy Penn is credited as penciller on 5 issues, inker on 5 issues and colorist on 1 issue in grailworth's catalog, 4 issues of them across 2 series we value. Characters first seen in issues they wrote or drew include The Deadly Duo.
Characters they introduced
Every issue
Savage Dragon (1993) 2 issues
Credits from the Grand Comics Database, CC BY-SA 4.0.